CVE-2011-3193

Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module (harfbuzz-gpos.c), as used by Qt before 4.7.4 and Pango, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted font file.

• CWE-787

• http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65Patch, Third Party Advisory
• http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08Patch, Third Party Advisory
• http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0Patch, Vendor Advisory
• http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.htmlMailing List, Third Party Advisory
• http://rhn.redhat.com/errata/RHSA-2011-1323.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2011-1324.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2011-1325.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2011-1326.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2011-1327.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2011-1328.htmlThird Party Advisory
• http://secunia.com/advisories/41537Third Party Advisory
• http://secunia.com/advisories/46117Third Party Advisory
• http://secunia.com/advisories/46118Third Party Advisory
• http://secunia.com/advisories/46119Third Party Advisory
• http://secunia.com/advisories/46128Third Party Advisory
• http://secunia.com/advisories/46371Third Party Advisory
• http://secunia.com/advisories/46410Third Party Advisory
• http://secunia.com/advisories/49895Third Party Advisory
• http://www.openwall.com/lists/oss-security/2011/08/22/6Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2011/08/24/8Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2011/08/25/1Mailing List, Third Party Advisory
• http://www.osvdb.org/75652Broken Link
• http://www.securityfocus.com/bid/49723Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-1504-1Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/69991Third Party Advisory, VDB Entry
• https://hermes.opensuse.org/messages/12056605Broken Link
• https://qt.gitorious.org/qt/qt/commit/9ae6f2f9a57f0c3096d5785913e437953fa6775cBroken Link
• http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65Patch, Third Party Advisory
• http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08Patch, Third Party Advisory
• http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0Patch, Vendor Advisory
• http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.htmlMailing List, Third Party Advisory
• http://rhn.redhat.com/errata/RHSA-2011-1323.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2011-1324.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2011-1325.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2011-1326.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2011-1327.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2011-1328.htmlThird Party Advisory
• http://secunia.com/advisories/41537Third Party Advisory
• http://secunia.com/advisories/46117Third Party Advisory
• http://secunia.com/advisories/46118Third Party Advisory
• http://secunia.com/advisories/46119Third Party Advisory
• http://secunia.com/advisories/46128Third Party Advisory
• http://secunia.com/advisories/46371Third Party Advisory
• http://secunia.com/advisories/46410Third Party Advisory
• http://secunia.com/advisories/49895Third Party Advisory
• http://www.openwall.com/lists/oss-security/2011/08/22/6Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2011/08/24/8Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2011/08/25/1Mailing List, Third Party Advisory
• http://www.osvdb.org/75652Broken Link
• http://www.securityfocus.com/bid/49723Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-1504-1Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/69991Third Party Advisory, VDB Entry
• https://hermes.opensuse.org/messages/12056605Broken Link
• https://qt.gitorious.org/qt/qt/commit/9ae6f2f9a57f0c3096d5785913e437953fa6775cBroken Link

Published

Jun 16, 2012

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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